21, 20, ?, 4, 53, -28 HomeQuantitative aptitude21, 20, ?, 4, 53, -28quantitative aptitude21, 20, ?, 4, 53, -28A.60B.4C.40D.29E.36Sol:21 -12 = 2020 + 32 = 2929 – 52 = 44 + 72 = 5353 – 92 = -28
In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?